package io.mvvm;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
@EnableDiscoveryClient  //开启服务注册与发现
public class NacosConfigApplication {
    public static void main(String[] args) {
        SpringApplication.run(NacosConfigApplication.class, args);
    }


    @RestController
    @RefreshScope       // 动态刷新配置信息
    class ConfigController {
        @Value("${config.version}")
        private String configVersion;

        @RequestMapping("/get")
        public String get() {
            return configVersion;
        }
    }
}
